Tool holder



FIG. 1 is a perspective view showing our new design;

FIG. 2 is right side view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom view thereof.

The details shown in broken lines form no part of the claimed design. 

The ornamental design for a tool holder, as shown as described above. 